Sunken-boat detector



E. e. HAUN.

'SUNKEN BOAT DETECTOR.

APPLICATION FILED NOV. 24, 1919- 1,350,224=. P tente Aug.- 17, 1920'.

2 SHEETS-SHEET 2.

A TTORNE Y.

UNITED STATES PATENT OFFICE.

EARL G. HAUN, 0F MARION, INDIANA.

SUNKEN-BOAT DETEGTOR..

Specification of Letters Patent. Patented Aug. .17, 1920.

Application filed November 24,- 1919. Serial No. 340,325.

To all whom it may concern:

Be it known that I, EARL G. HAUN, a,"

citizen of the United States, residing at Marion, in the county of Grant and State of Indiana, have invented new and useful Improvements in Sunken-Boat Detectors, of which the following is a specification.

This invention relates to means for individe brake means for the drum upon which the cable is wound with means for causing the brake to release the drum by thebuoyancy of the' float.

This invention also consists in certain other features of construction and in the combination and arrangement of theseveral parts, to be hereinafter fully described, illustrated in the. accompanying drawings and specifically pointed out in the appended claim. i I

In describing my invention in detail, reference will be had to the accompanying drawings wherein like characters denote like or corresponding parts throughout the several views, and in which Figure 1 is'a diagrammatic view showing how the device is used to indicate the position of a sunken ship.

Fig. 2 is a front view of the winding a p p aratus.

Fig. 3 is an end view. I 7

Figs. i and 5 are detail views.

In these views 1 indicates the pair of supporting members for the drum 2, each member consisting of a base 3, the upright 4 having the semi-circular groove 5 in its upper edge and the block (3, provided with a semi-circular groove 7, and which is bolted i to the upper edge of said upright. The semicircular rooves 5 and Tform a bearin for t? b .the end of the shaft 8 which carries the drum 2.

with a flange 9 with which is adapted to en Each end of the drum is provided gagethe brake band 10. Each band has oneend connected with the upright as at 11 and after bearing over the upper part of the flange extends downwardly and is connected with the lever 12 which is pivoted to the upright at 13. A spring 14 connects the outer end of saidlever with a part of the base and this spring tends to hold the brake band in braking engagement with the flange on the drum. The front ends of the levers are connected together by the crosspiece 15 which in its center carries the pulley 16. A cable 17 has one end suitably connected with the drum and this cable passes over the pulley 16 and has its other end connected with the float 18, said float being of anysuitable construction.

The drum is placed in any suitable posi- "tion in the boat with the cable passing through an opening in the deck, if the drum I is located within the boat and the float is situated'on the deckin such position that there will be no danger of it catching'into anything if the boat should sink. If the boat should sink the float, due to its buoyancy will I ascend to the surface, the pull on the cable raising the levers i2 and thus releasing the brake bands from the ground and permit-V ting free rotation of said drum, As soon as theboat reaches the bottom, however, this pull ceases and the springs will cause the brake bands to grip the drum and prevent further unwinding'of the cable. cable will remain taut and the salvage party It is thought from the foregoing descrip- I desire it to be understood that I may make changes in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claim.

What I claim is Means for'indicating the position of a sunken ship comprising a winch located on theship, a float, a cable connecting the float with the winch and means for preventing further unwinding of the cable from the winch when the boat reaches the bottom, said means consisting of a brake, spring means for holding the brake in braking position and means for releasing the brake by the pull of the cable as the float passes to the surface. l

In testimony whereof I aflix my signature.

EARL e. HAUN.

Thus the I will know that the boat is directly under tion thatthe advantages and novel features of my invention will be readily apparent. 

